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Initial-Scripts

于 2015-01-17 发布文件大小:4KB

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Power control, broadly speaking, is the intelligent selection of transmitter power output in a communication system to achieve good performance within the system. The notion of good performance can depend on context and may include optimizing metrics such as link data rate, network capacity, geographic coverage and range, and life of the network and network devices. Power control algorithms are used in many contexts, including cellular networks, sensor networks, wireless LANs, and DSL modems.

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junheng
在移动数据通信系统信号经传播媒介到达接收端会发生畸变，现行的通信系统普遍采用自适应均衡技术来克服ISI和多普勒扩展。自适应均衡技术需要重复发送已知的训练序列直至有效均衡为止I。“盲均衡(Blind Equalization，BE)111”技术仅利用接收序列本身的相关性便可均衡信道特性。(Signal in the mobile data communication systems to reach the receiver via the mass media distortion occurs, the existing communication systems are generally adaptive equalization to overcome ISI and Doppler spread. Adaptive equalization techniques need to send a known training sequence repeated until an effective balance date I. " Blind equalization (Blind Equalization, BE) 111" technology is only used to receive serial correlation in itself can be balanced channel characteristics.)

2010-08-31 10:13:30下载

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spreadspectrum
In a normal communication channel, it is often desirable to concentrate the information in as narrow a region of the frequency spectrum as possible in order to conserve available bandwidth and to reduce power. The basic spread spectrum technique, on the other hand, is designed to encode a stream of information by spreading the encoded data across as much of the frequency spectrum as possible. This allows the signal reception, even if there is interference on some frequencies. While there are many variations on spread spectrum communication, we concentrated on Direct Sequence Spread Spectrum encoding (DSSS). The DSSS method spreads the signal by multiplying it by a chip, a maximal length pseudorandom sequence modulated at a known rate. Since the host signals are in discrete-time format, we can use the sampling rate as the chip rate for coding.

2012-04-12 20:54:14下载

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toujinchengxiang
模拟透镜成像过程，分两种：基于传递函数的透镜成像、透镜成像演示(相干传递函数)(Analog lens imaging process in two ways: based on the transfer function of the lens imaging lens imaging demonstrate (coherent transfer function))

2012-04-28 11:56:09下载

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Hamadani
Hamadani thresholding method for image segmentation

2011-11-08 14:12:49下载

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nci_ofdm
实现非载波连续干涉编码的非载波连续干涉正交频分复用通信系统的调制(Realize the carrier successive interference encoded orthogonal frequency division multiplexing communication system)

2014-02-19 10:35:19下载

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Untitled1
半阈值法小波去噪，并与硬阈值和软阈值的结果进行比较(Semi-threshold wavelet denoising, and with the hard threshold and soft threshold to compare the results of)

2020-09-02 20:48:08下载

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cosplay
用MATLAB编写的一个小的动画程序，心情不佳时可以疗伤。(Written by a small MATLAB animation program, and I feel bad when healing.)

2011-05-21 22:18:30下载

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kalmanfilter
说明：卡尔曼滤波演示，较为简单的卡尔曼滤波演示simulink仿真(Demonstration of Kalman filte)

2020-02-18 15:24:55下载

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suijixinhaoshiyan
随机信号分析源程序绝对原创可能编的不太好请大家见谅(The absolute original source of random signal analysis may be prepared in very good please forgive me)

2010-11-26 09:33:03下载

积分：1
Calculation-of-High-Pressure-Chemical-Equilibrium
calculation of high pressure properties for chemical engineering applications

2014-09-12 17:01:48下载

积分：1

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